@ARGamingPK1 I'm sorry, but firmware 1.8.1 didn't help. Mine had QoS configured to 1000mb. I chose to disable it, but the problem still persists. It's surreal how TP-Link managed to mess up the...

@ARGamingPK1 thank you! I downloaded and installed the firmware 1.8.1. However, the speed problem on the 5G network persists. The maximum speed only reaches 200mb. My network is 650mb, and on 5G it...

@David-TP , where can I find this firmware for download? The support page only shows version 1.7.0 for the M4R v2. My access to the website is in the Brazilian Portuguese version, I don't know if...

@MarekDDC i had the same problem as soon as I installed firmware 1.7.0. Simply put, my devices lost connection even though the router still had a connection. My solution was to back up the settings...